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距离计算

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zh
2025-07-15 10:37:23 +08:00
parent 040049236d
commit 12fcb9fed7
14 changed files with 73 additions and 70 deletions
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6
src/Measure/MeasureProjectionDistance/index.js
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@ -73,7 +73,7 @@ class MeasureProjectionDistance extends Measure {
let l = this.clampPositions.length - 1
this.clampPositions.forEach((item, index) => {
if (index !== l) {
let d1 = this.computeDistance([item.position, this.clampPositions[index + 1].position])
let d1 = this.computeDistance2([item.position, this.clampPositions[index + 1].position])
let d2 = Math.abs(item.position.alt - this.clampPositions[index + 1].position.alt)
let d3 = Math.sqrt(d1 * d1 + d2 * d2)
total_length += d3
@ -174,7 +174,7 @@ class MeasureProjectionDistance extends Measure {
if (this.ids.length !== 0) {
let cur_point = this.cartesian3Towgs84(car, this.viewer)
let pre_p = this.cartesian3Towgs84(this.cachePositions[this.cachePositions.length - 1], this.viewer)
let cur_len = this.computeDistance([cur_point, pre_p])
let cur_len = this.computeDistance2([cur_point, pre_p])
let text = "投影距离：" + cur_len + " 米"
this.ids.push(MeasureProjectionDistance.create_point(car, {label: this.getLabel(text)}, this))
this.cachePositions.push(car)
@ -215,7 +215,7 @@ class MeasureProjectionDistance extends Measure {
if (this.cachePositions.length) {
let cur_point = this.cartesian3Towgs84(car, this.viewer)
let pre_p = this.cartesian3Towgs84(this.cachePositions[this.cachePositions.length - 1], this.viewer)
let cur_len = this.computeDistance([cur_point, pre_p])
let cur_len = this.computeDistance2([cur_point, pre_p])
let text = "当前投影距离：" + cur_len + " 米"
this.tip.set_text(text)
}